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Finding the Fourth Proportional to 88,808.56, 133,209.18 and 49,340.50

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Solution

The fourth proportional to 88,808.56, 133,209.18 and 49,340.50 is: 74,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,808.56 : 133,209.18 = 49,340.50 : x
  2. Step 2: Convert to fraction form
    88,808.56/133,209.18 = 49,340.50/x
  3. Step 3: Cross multiply
    88,808.56x = 133,209.18 × 49,340.50
  4. Step 4: Simplify right side
    88,808.56x = 6,572,607,545.79
  5. Step 5: Solve for x
    x = 6,572,607,545.79/88,808.56
  6. Step 6: Final answer
    x = 74,008.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.